Covered dumping body



NOVQS, 1929. WILLIAMS 1,734,785

COVERED DUMPING BODY Filed Aug. 26, 1926 2 Sheets-Sheet l COVERED DUMP ING BODY Filed Aug. 26, 1926 2 Sheets-Sheet 2 r Zp%e pf 01". 6 1 26 5 Jam 2725i Z52 5. 4/?02Wfi Patented Nov. 5, 1929 earner orrica LEROY, E. WILLIAMS, or nnenncromwrsconsm, ASSIGNOR T0, HIGHWAY T I 1 colvrrnnvwrnnennron, WISCONSIN, A oonronar onor WISCONSIN CDVERED DUMPING BODY the edge of the body in its normal loadcarryingposition, and thus will not increase the effective width ofthe vehicle. The inventionconsists in certain features and elements of construction combined as herein shown and described, and as indicated by'the claims.

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In the drawings Figure 1 is an end elevation of a vehicle :body and aportion of the supporting running gear, the latter being shown partly in section'and the'bodybeing tted with covers :comprising this'invention. I

Figure 2 is a detail elevation of operating mechanism for one of the covers.

Figure 3 isa ,detail'view of a modifiedform of operating means.

Figure 4: is a detail View of another modification of the operating means.

' Figure 5 is a partial side elevation of the vehicle'and body with a cover embodying this invention.

Figure 6' ma detail section of the cover construction being taken as indicated at line 6"6,fon Figure 5. V

This invention isillu-strated as applied to a vehicle of the trailer type in which a hopper ibody, 1,'is providedewith rockers, 2, supported on crossirails, 3, of a drop frame, 4.

"The po'sition of the wheels, 5, at one end of the vehicle is indicated, but some details or the Vehicle construction are omitted for "the sake or clearnesswith respect to the specific invention hereinvolved. It may beunderstood that the hopper body, 1, is upwardly open andis normally held in that position by "means of check chains, 6, but that upon release of'the check chains atone side of the body its rockers, 2, will TlOll along the cross Tails, 3, carrying the hopper, 1, to a tilted position for discharging its contents at one side of the vehicle. Ordinarily the body is designed to he tilted for discharge at either side. In addition to the check chains, 6, a locking bolt, 7, maybe used to teady the body in its upright position; this bolt is releasable by means of a foot pedal, 8, and cable con; nection, 9, as seen in Figured. Y

Particularly when a vehicle of this typeis used for the collectiQn of ashes or garbage,

it is desirable to provide coverswhich'will completely. enclose the load in, transit, but which may be raised at will during-the f lling operation or to permit tilting the body for dumping. Rather than mount these covers directly on the hopper body, ,1, I prefer to support them'independently SQ that their weight will not alter the center i013 gr'gwity of the hopper and thus complicate the roll.- ing, tilting action; There r I provide. at each end of the vehicle frame, an upstanding A-frame, 10, and connec th se A-t-ram s longitudinally with a pipe or tubular mentber, 11', to which the covers for 'thjebody are hinged. Preferably for a vehicle of average size I provide 4 separate covers, two at eaeh side of the axis of the member, 11, so that for loading the hopper it is only necessary to uncover one-fourth of its area at a time, Each-cover consists of an uppersection, 12, and a lower section, 13, connected to the upper section by hinges, 14. The upper sec,- tion, 12, is itself attached-to the tubular member, 11, by eyes, 15, which thus form hinges. g

As shown in Figures 1 and 2 the-operating means for each-cover comprise ahandcranlr, 16, on the shaft o1 the worm, 17 said wor'm meshing witha worm gear, 18, carried in'the bearing bracket, 19, which is mounted on the A-frame, 10. An arm, 20, rigid W-itlrthe gear, 18, is connected by a push link, :21, with a pivot, 22, secured in any suitable manner to the end skirt, 2%, of the cover section, 12, so that when the; gear, 18, is turned by operation of the hand crank, 16', the arm, 20,, will swing through a'sufti'eient arcto raise or lower the cover section 12 The lower or supplemental section, 13, ofthecover has a cable, 24, attached to a lug, 25, near its outermost edge,

the cover.

while the opposite end of said cable is anchored to an eye, 26, on the side of the A- frame, 10. The cable passes over guide pulleys, 27, 28 and 29, all journalled in suitable itself with the varying direction of the cable,

24, during the entire range of movement of said cover. The cable, 24, is initially adjusted so as to be somewhat slack when the cover is in closed position. Thus the raising of the cover section, 12, will first take up this slack in the cable, 24, making it taut, and as the cover continues in an upwardly direction the cable tends to resist the movement 1 and thereby pulls the outer cover section, 13, upwardly andba'ck about its hinged connections, 14. In other words, the lifting of the idler pulleys, 27, 28 and 29, with the cover, 12, automatically causes the cover section, 13, to be folded upwardly about the axis of its hinges, 14, so that when the section, 12, reaches a position at or above the level of the member,11, the part, 13, has been folded upwardly farenough so that it will not project beyond the normal width of the body, 1,- even its triangular end skirt, 30, coming within this limit, as clearly seen in the case of the right hand cover shown in Figure 1. Obviously, as the'cover, 12, is lowered, the section,'13,will follow back to its original position, like that shown for the left hand cover in Figure 1.

The end skirt, 23, and the triangular end skirt, 30, of the cover-sections, 12 and 13, respectively, lie in substantially the same plane and have their ends normally abutting against each other when the covers are in a closed position. The triangular. end skirts, 30, are each provided with a flap, 30, on the outside thereof adjacent the abutting end, adapted to overlap a portion of the adjacent end of the skirt end, 23, when in body covering position to make a complete closure therefor.

I prefer the worm and worm wheelshown in Figures 1 and 2, for raising or lowering the covers because this form of gearing remains practically locked at any position of adjustment, but if desired a pair of bevel gears may be substituted, as shown at 31 and 32, on Figure 3, and in this case the gear, 32, will have associated with it a ratchet wheel, 33, and ratchet pawl, 34, which will normally lock at any position of adjustment and which may be released by a trigger, 35, to permit lowering Figure 4 shows the substitution of spur gears, 36 and 37, for the bevel gears of Figure 3, the ratchet, 33, and pawl, 34, being employed as just described.

In order to use sheet metal for the covers cover section, st-ift'ens it from its upper to its lower edge and also serves to transmit the lifting strain of the push link, 21, from the skirt ed end of the cover to its opposite end, which is only stiffened slightly by the addition of a light angle member, 44.

To reduce the noise incident to lowering the covers onto the edges of the hopper, 1, I may provide rubber, leather or fabric: cushion straps, 50, such as that shown in detail. in Figure 6. The lower edge of the cover section, 13, is bent upwardly at 13 and thenback at 13 to form a terminal flange. One end of the strap, 50, is secured by a bolt or rivet, 51, against the outer face of the flange, 13 and the other end of the strap, 50, is slid through a slit in the cover formed by severance at 52, of a lug, 53, which is bent down away from the plane of the section, 13. This end of the strap is thus brought over the outer surface of the cover, 13, and secured by a bolt or rivet at 54. Several of these bumpers may be applied in the. length of the cover section so as to prevent the contact of the metallic cover with the metal edge of the body, avoiding noise in closing and rattling of the parts when the vehicle is in motion. The bentdown lug 53 protectsthe bumper strap from being scraped or torn off by the edge of the body in its tilting movement under the cover, as for example, in its return from dumping position.

I claim 1 1. In combination with a hopper body, a hingedly mounted cover therefor comprising an upper section and a lower section hinged- 1y connected together along an axis parallel to that of the hinged mounting, together with means for swinging the lower section up wardly about its connecting hinge when the upper section is swung upward on the hinged mounting.

2. In the combination definedin claim 1, the means for swinging the lower section comprising a flexible memberattached at one end to said section with an anchorage for the other end of said member fixed with at a distance from the axis thereof, and a guide for said flexible member on the upper cover section, whereby movement of said guide with respect to the anchorage tensions the flexible member.

3. In combination with a hopper-body, a hingedly mounted cover therefor comprising an upper section and a lower section hingedly connected along an axis parallel tothat of the hinged mounting, together with means operated by the upward swinging movement of the upper section for folding the lower section upwardly about its connecting hinge to reduce the efiective length of the cover from the hinged mounting.

4. In combination with a hopper body, uprights at the ends of the body, and a fixed frame member extending longitudinally in spaced relation above the body at the middle of its width and supported by said uprights; a cover for the body hinged to said frame member, and means for raising and lowering the cover at will, said cover comprising two sections hingedly connected together along an axis parallel to said fixed frame member, a flexible member anchored at one end to one of the uprights and attached at the other end to the lower section of the cover, and guiding means for said flexible member on the other cover section, said member extending loose over the guide when the cover is closed and operating to fold the lower section upwardly as the cover is raised.

5. In combination with a hopper body, a

, hingedly mounted cover therefor comprising two sections hinged together along an axis parallel to that of the hinged mounting, to gether with means for folding said sections about their hinged connection when the cover is opened, both cover sections having end skirts depending to co-operate with the end wall of the body, and one of said skirts having a portion which overlaps the other throughout the range of folding movement of one section with respect to the other.

6. In combination with a hopper body, a hingedly mounted cover therefor comprising two sections hinged together along an axis parallel to that of the hinged mounting, to-

ether with means for folding said sections about their hinged connection when the cover is opened, each section having an end skirt, said skirts lying in the same plane and having edges which normally abutat a parting line when the cover is in closed'position, one of said skirts having a flange lapping over the other skirt adjacent the parting line throughout the range of folding movement of the sections.

7. In the combination defined in Claim 4, said guiding means including a pulley mountcd in an approximately vertical plane on the upper cover section, the pulley mounting being pivoted about a horizontal'axis to permit the pulley to accommodate itself to the changing direction of the flexible member as the cover section is raised or lowered.

8. In combination with an upwardly open body, a hingedly mounted cover therefor sloping downwardly from its hinge when in closed position, said cover comprising an up per section and a lower section attached thereto and movable relatively to said upper section; and means positively operated by the upward swinging movement of the upper secmovement of the upper section for swinging the lower section about itshinged connection to move its outer edge toward the axis of th hinged mounting.

10. In combination with a tilting hopper body, a cover therefor hingedly supported independently of the body on an axis extending above the body and transversely of its tilting movement, said cover overlapping the edge of the body in its closed position and having an upturned marginal flange at its outer edge, a bumper strap on the cover positioned to engage the said edge of the body, said strap being bent up from the under side of the cover around said marginal flange and secured thereto, the other. end of said strap being led through an aperture in the cover to the upper side and secured thereto, a lug of the cover material being bent downwardly through the aperture to lap under the bumper strap adjacent the aperture for protecting the strap from an edge of the body traversing the under side of the cover in the tilting movement of the body.

LEROY E. WILLIAMS. 

